関連ワード:  java get first x characters of string    java get first n characters of string    java get first 10 characters of string    java get first n chars of string    java get first 10 chars of string    java first x characters of string    java first n characters of string    java first 10 characters of string    java stringutils get first n characters    java get first 4 characters of string  
結果 : java get first x characters of string